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https://www.vdberk.co.uk/trees/prunus-lusitanica-angustifolia/
Prunus lusitanica 'Angustifolia'
Height 5 - 15 m Crown round, dark, dense crown Bark and branches twigs purple to purple-green, bark black-brown, smooth Leaf narrow oval to narrow elongated-oval, pointed tip, glossy, dark green, 5 - 8 cm, evergreen Flowers cream? white, 1 - 1.5 cm, in terminal and axillar? racemes, 15 - 25 cm, June Fruits dark red to blackish purple, oval Spines/thorns None Toxicity usually not toxic to people, (large) pets and livestock Soil type any, provided it is fertile and moist Paving tolerates partial paving Winter hardiness zone 7b (-14,9 to -12,3 °C) Wind resistance very good Other resistances can withstand wind Application parks, tree containers, cemeteries, roof gardens, coastal areas, industrial areas, large gardens, patio gardens Shape clearstem tree, multi-stem treem
Grows from a shrub into a small to medium-size tree with a very dense branching and round crown to around 15 m but usually no more than about 10 m tall. The young twigs are conspicuously purple coloured which contrasts nicely with the dark green glossy leaf. The leaves are smaller and distinctly narrower than the species. This is the only way it differs from P. lusitanica. Thanks to the firm, leathery leaf, the tree is very wind resistant and can also tolerate sea wind. In 1893 it was described as a natural form (forma) of P. lusitanica. Suitable for use in parks and gardens, solitary or in groups. Needs protection against cold, drying wind.
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